REST API coverage update
REST API coverage update

Signed-off-by: David Noble <9f8c5781dec4665d293b95d5c3728727376b1779@splunk.com>

glennblock/splunk-sdk-csharp-pcl-hold,splunk/splunk-sdk-csharp-pcl,muratoflu/splunk-sdk-csharp-pcl,muratoflu/splunk-sdk-csharp-pcl